//
//  KeywordViewController.m
//  LearnDemo
//
//  Created by 龙 on 2018/5/21.
//  Copyright © 2018年 longlong. All rights reserved.
//

#import "KeywordViewController.h"

@interface KeywordViewController ()
@property (nonatomic ,strong) NSArray<NSArray<NSString *> *> *titleArray;
@end

@implementation KeywordViewController

- (instancetype)init
{
    return [self initWithStyle:UITableViewStyleGrouped];
}

- (void)viewDidLoad {
    [super viewDidLoad];
    
    // Uncomment the following line to preserve selection between presentations.
    // self.clearsSelectionOnViewWillAppear = NO;
    
    // Uncomment the following line to display an Edit button in the navigation bar for this view controller.
    // self.navigationItem.rightBarButtonItem = self.editButtonItem;
    [self.tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:@"UITableViewCell"];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

#pragma mark - Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    return self.titleArray.count;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return self.titleArray[section].count;
}

 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"UITableViewCell" forIndexPath:indexPath];
 
    cell.textLabel.text = self.titleArray[indexPath.section][indexPath.row];
    cell.textLabel.numberOfLines = 0;
    
    return cell;
 }

/*
 // Override to support conditional editing of the table view.
 - (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
 // Return NO if you do not want the specified item to be editable.
 return YES;
 }
 */

/*
 // Override to support editing the table view.
 - (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
 if (editingStyle == UITableViewCellEditingStyleDelete) {
 // Delete the row from the data source
 [tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationFade];
 } else if (editingStyle == UITableViewCellEditingStyleInsert) {
 // Create a new instance of the appropriate class, insert it into the array, and add a new row to the table view
 }
 }
 */

/*
 // Override to support rearranging the table view.
 - (void)tableView:(UITableView *)tableView moveRowAtIndexPath:(NSIndexPath *)fromIndexPath toIndexPath:(NSIndexPath *)toIndexPath {
 }
 */

/*
 // Override to support conditional rearranging of the table view.
 - (BOOL)tableView:(UITableView *)tableView canMoveRowAtIndexPath:(NSIndexPath *)indexPath {
 // Return NO if you do not want the item to be re-orderable.
 return YES;
 }
 */

/*
 #pragma mark - Navigation
 
 // In a storyboard-based application, you will often want to do a little preparation before navigation
 - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
 // Get the new view controller using [segue destinationViewController].
 // Pass the selected object to the new view controller.
 }
 */

#pragma mark - Getters And Setters

//注解：OC 中我们很习惯的会用懒加载，当用到的时候才去加载它，但是实际上只要一个类实现了某个方法，就会被加载进内存。
- (NSArray<NSArray<NSString *> *> *)titleArray
{
    if (_titleArray == nil)
    {
        NSArray *keyWordArray = @[];
        NSArray *macroArray = @[@"__Require_Quiet 和 __Require_noErr_Quiet",
                                @"NS_UNAVAILABLE 与 NS_DESIGNATED_INITIALIZER"];
        _titleArray = @[keyWordArray,macroArray];
    }
    
    return _titleArray;
}



@end
